Thread by @pettykawas

#ushioi — nsfw, omegaverse, size kink

Wakatoshi is much bigger than every single one of Tooru’s past lovers.

He’s long enough that Tooru feels him in the back of his throat before he even bottoms out, thick enough that Tooru has to use both hands to completely encircle his girth.

Tooru’s mouth stretches obscenely, enveloping as much of Wakatoshi’s cock as he can. And when he smiles, he knows he looks a little insane, debauched, disgusting with how much spit spills from his lips, but he knows, by the way Wakatoshi’s cock quivers, that Wakatoshi /likes/ it.

The alpha says that he used to be self-conscious about his size.

/His/ past lovers struggled to accommodate him, even when aided by slick and lube, even though Tooru knows Wakatoshi must have prepped them, patiently and thoroughly.

Tooru isn’t like them.

Tooru wraps around Wakatoshi like something that was molded just for him, tight in the best way possible. Like a godsend. Like a cocksleeve, except Tooru is warm and loud and /alive/.

Whereas past lovers would have put a hand on his torso and said, “Wait,” Tooru digs his nails into Wakatoshi’s skin, living in the line between pleasure and pain, and draws him /closer/.

He demands, with a tone and scent reminiscent of a dominant omega, “Fuck me harder, alpha.”

He does as he’s told; Wakatoshi is too enchanted by this omega to deny him anything. He pushes his cock as deep as it would go, unconcerned about hurting Tooru because he knows he won’t, and in pleasuring Tooru, Wakatoshi discovers what it means to truly /be/.

Wakatoshi loses himself in the rhythm of their fucking. In, out, in. Each thrust is accompanied by the lewd sound of skin meeting skin, wet and taut, creamy and tan. It rings in Wakatoshi’s ears, alongside the voice that tells him to breed, claim, mate.

“So tight,” Wakatoshi can’t help but marvel, because no one has ever made him feel this good, has ever taken his cock this well, has ever been this good /for him/.

And Wakatoshi already knows he loves Tooru—what he offers in this world and how he moves in it—but this is different.

This is a satisfaction that’s bone-deep and soul-gratifying.

This is a primal ache being fulfilled.

This is an alpha finding his omega.

When Tooru reaches his climax, he bites down near the most vulnerable part of Wakatoshi’s neck. It’s mean, territorial, and just a bit painful. Nothing about it is nice except for how /wanted/ Wakatoshi feels being marked by someone so magnificent. Someone like Tooru.

That’s how Wakatoshi cums: with Tooru lapping at the bite mark, trembling still in Wakatoshi’s hold as he rides out his own orgasm, walls milking Wakatoshi dry.

His knot is lodged firmly inside his omega, pulsing and locking in the cum that will inevitably gush out when they’re no longer joined.

Finally, Wakatoshi’s knot deflates, but he’s still hard where he’s sheathed in Tooru’s wet, tight warmth.

There is an apology on the tip of his tongue, so used to having to set aside his own needs to appease his lovers, forgetting that Tooru is one of a kind.

Unfazed—no, /delighted/—Tooru simply grins, sly and mischievous and beautiful, and maneuvers them so that he’s sitting on Wakatoshi’s lap, primed to ride him, be in control. His abdomen and thighs glisten with seed and slick and sweat, and he takes Wakatoshi’s breath away.

Eager to be full of Wakatoshi’s cum, full of Wakatoshi’s cock, once more, Tooru asks, “Again?”

Wakatoshi, with heat and affection in his eyes, responds with the only acceptable answer.

“Again.”

/ This is a thank you fic for everyone who has taken the time to read any of my silly little fics, whether here or on ao3. Know that your kind words are always heard and treasured. Thank you for helping me feel so welcome here. Forehead kisses (w/ consent) for you all! 🤍🤍🤍

+ here are the results of the polls btw in case you wanted to see!

+ if you wanna read some more omegaverse fics, I have a fair bit of Ushioi fics here 👀